| original |
Late Carboniferous |
|
W.Germany(N.Rhine) |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Westphalian |
|
Germany |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Late Westphalian A |
Early Westphalian C |
W.Germany(N.Rhine) |
Potonie,R. et al. The spore dispersae of the Rhur Carboniferous, their morphography and stratigraphy with reviews of species of other areas.Part 2 |
1956 |
| details |
Westphalian A |
Westphalian C |
Germany(Rhineland) |
Grebe,H. The distribution of the miospores in the Ruhr Carboniferous from the Bochumer to the Dorstner Beds (Westphalian A-C) |
1972 |